2 citations to https://www.mathnet.ru/rus/sm9482

1. Viacheslav Borovitskiy, “Littlewood–Paley–Rubio de Francia inequality for multi‐parameter Vilenkin systems”, Mathematische Nachrichten, 297:3 (2024), 1092    
2. Anton Tselishchev, “Littlewood–Paley–Rubio de Francia inequality for unbounded Vilenkin systems”, Journal of Approximation Theory, 298 (2024), 106006